FIELD: process engineering.
SUBSTANCE: invention relates to oil-and-gas equipment, particularly, to tools for coupling-uncoupling of tubing and drill pipes. Tube wrench comprises two jaws, tong keys, ears, pins and two handles. All handles and jaws are pivoted together by ears and pins while second end of one of said handles is hook-shaped and may be disengaged from jaw in gripping the tube.
EFFECT: higher quality and reliability of threaded joints.
6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HEAT BREAKER OF THREADED CONNECTIONS OF OIL-WELL TUBING | 2009 |
|
RU2422616C2 |
| PIPE TONGS | 0 |
|
SU1745865A1 |
| TUBE WRENCH FOR STALKS OF LARGE DIAMETRE | 2007 |
|
RU2365487C2 |
| PIPE WRENCH | 1992 |
|
RU2071411C1 |
| TUBE WRENCH FOR OIL-WELL AND DRILL PIPES | 2007 |
|
RU2368490C2 |
| AUTOMATICALLY ADJUSTED DRIVE JAW OF PIPE WRENCH | 2009 |
|
RU2525241C2 |
| ELEVATOR FOR PUMP-COMPRESSOR PIPES | 1997 |
|
RU2128767C1 |
| METHOD FOR DETERMINATION OF RATIONAL PARAMETERS OF PIPE TONGS | 0 |
|
SU1789650A1 |
| HYDRAULIC PIPE WRENCH | 1999 |
|
RU2164464C2 |
| AUTOMATIC STATIONARY DRILLING TONGS | 2000 |
|
RU2188297C2 |
